solved thanks to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893663
Touchpad works fine after applying the change explained there: this work https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893663/comments/12 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1925799 Title: touchpad not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1925799/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs